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mirror of https://github.com/nlohmann/json synced 2024-11-27 14:20:07 +00:00

more SFINAE

This commit is contained in:
Niels 2015-04-03 16:34:39 +02:00
parent ea1046110d
commit 0a96116b0c
2 changed files with 393 additions and 752 deletions

View File

@ -54,6 +54,20 @@ iterators allow a ReversibleContainer to be iterated over in reverse.
namespace nlohmann
{
// Helper to determine whether there's a key_type for T.
// http://stackoverflow.com/a/7728728/266378
template<typename T>
struct has_key_type
{
private:
template<typename C> static char test(typename C::key_type*);
template<typename C> static int test(...);
public:
enum { value = sizeof(test<T>(0)) == sizeof(char) };
};
/*!
@brief JSON
@ -809,7 +823,7 @@ class basic_json
template <class T, typename
std::enable_if<
std::is_constructible<typename T::key_type, typename object_t::key_type>::value and
std::is_constructible<basic_json, typename T::mapped_type>::value, int>::type
std::is_constructible<typename T::mapped_type, basic_json>::value, int>::type
= 0>
inline T get() const
{
@ -826,7 +840,8 @@ class basic_json
template <class T, typename
std::enable_if<
not std::is_same<T, string_t>::value and
std::is_constructible<basic_json, typename T::value_type>::value, int>::type
not has_key_type<T>::value and
std::is_constructible<typename T::value_type, basic_json>::value, int>::type
= 0>
inline T get() const
{
@ -3360,8 +3375,7 @@ class basic_json
{
lexer_char_t yych;
unsigned int yyaccept = 0;
static const unsigned char yybm[] =
{
static const unsigned char yybm[] = {
0, 64, 64, 64, 64, 64, 64, 64,
64, 96, 96, 64, 64, 96, 64, 64,
64, 64, 64, 64, 64, 64, 64, 64,
@ -3396,127 +3410,49 @@ class basic_json
64, 64, 64, 64, 64, 64, 64, 64,
};
if ((m_limit - m_cursor) < 5)
{
yyfill();
};
if ((m_limit - m_cursor) < 5) { yyfill(); };
yych = *m_cursor;
if (yych <= '9')
{
if (yych <= ' ')
{
if (yych <= '\n')
{
if (yych <= 0x00)
{
goto basic_json_parser_27;
}
if (yych <= 0x08)
{
goto basic_json_parser_29;
}
if (yych >= '\n')
{
goto basic_json_parser_4;
}
}
else
{
if (yych == '\r')
{
goto basic_json_parser_2;
}
if (yych <= 0x1F)
{
goto basic_json_parser_29;
}
}
}
else
{
if (yych <= ',')
{
if (yych == '"')
{
goto basic_json_parser_26;
}
if (yych <= '+')
{
goto basic_json_parser_29;
if (yych <= '9') {
if (yych <= ' ') {
if (yych <= '\n') {
if (yych <= 0x00) goto basic_json_parser_27;
if (yych <= 0x08) goto basic_json_parser_29;
if (yych >= '\n') goto basic_json_parser_4;
} else {
if (yych == '\r') goto basic_json_parser_2;
if (yych <= 0x1F) goto basic_json_parser_29;
}
} else {
if (yych <= ',') {
if (yych == '"') goto basic_json_parser_26;
if (yych <= '+') goto basic_json_parser_29;
goto basic_json_parser_14;
}
else
{
if (yych <= '-')
{
goto basic_json_parser_22;
}
if (yych <= '/')
{
goto basic_json_parser_29;
}
if (yych <= '0')
{
goto basic_json_parser_23;
}
} else {
if (yych <= '-') goto basic_json_parser_22;
if (yych <= '/') goto basic_json_parser_29;
if (yych <= '0') goto basic_json_parser_23;
goto basic_json_parser_25;
}
}
}
else
{
if (yych <= 'm')
{
if (yych <= '\\')
{
if (yych <= ':')
{
goto basic_json_parser_16;
}
if (yych == '[')
{
goto basic_json_parser_6;
}
} else {
if (yych <= 'm') {
if (yych <= '\\') {
if (yych <= ':') goto basic_json_parser_16;
if (yych == '[') goto basic_json_parser_6;
goto basic_json_parser_29;
} else {
if (yych <= ']') goto basic_json_parser_8;
if (yych == 'f') goto basic_json_parser_21;
goto basic_json_parser_29;
}
else
{
if (yych <= ']')
{
goto basic_json_parser_8;
}
if (yych == 'f')
{
goto basic_json_parser_21;
}
} else {
if (yych <= 'z') {
if (yych <= 'n') goto basic_json_parser_18;
if (yych == 't') goto basic_json_parser_20;
goto basic_json_parser_29;
}
}
else
{
if (yych <= 'z')
{
if (yych <= 'n')
{
goto basic_json_parser_18;
}
if (yych == 't')
{
goto basic_json_parser_20;
}
goto basic_json_parser_29;
}
else
{
if (yych <= '{')
{
goto basic_json_parser_10;
}
if (yych == '}')
{
goto basic_json_parser_12;
}
} else {
if (yych <= '{') goto basic_json_parser_10;
if (yych == '}') goto basic_json_parser_12;
goto basic_json_parser_29;
}
}
@ -3526,119 +3462,67 @@ basic_json_parser_2:
yych = *m_cursor;
goto basic_json_parser_5;
basic_json_parser_3:
{
return scan();
}
{ return scan(); }
basic_json_parser_4:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
basic_json_parser_5:
if (yybm[0 + yych] & 32)
{
if (yybm[0+yych] & 32) {
goto basic_json_parser_4;
}
goto basic_json_parser_3;
basic_json_parser_6:
++m_cursor;
{
return token_type::begin_array;
}
{ return token_type::begin_array; }
basic_json_parser_8:
++m_cursor;
{
return token_type::end_array;
}
{ return token_type::end_array; }
basic_json_parser_10:
++m_cursor;
{
return token_type::begin_object;
}
{ return token_type::begin_object; }
basic_json_parser_12:
++m_cursor;
{
return token_type::end_object;
}
{ return token_type::end_object; }
basic_json_parser_14:
++m_cursor;
{
return token_type::value_separator;
}
{ return token_type::value_separator; }
basic_json_parser_16:
++m_cursor;
{
return token_type::name_separator;
}
{ return token_type::name_separator; }
basic_json_parser_18:
yyaccept = 0;
yych = *(m_marker = ++m_cursor);
if (yych == 'u')
{
goto basic_json_parser_59;
}
if (yych == 'u') goto basic_json_parser_59;
basic_json_parser_19:
{
return token_type::parse_error;
}
{ return token_type::parse_error; }
basic_json_parser_20:
yyaccept = 0;
yych = *(m_marker = ++m_cursor);
if (yych == 'r')
{
goto basic_json_parser_55;
}
if (yych == 'r') goto basic_json_parser_55;
goto basic_json_parser_19;
basic_json_parser_21:
yyaccept = 0;
yych = *(m_marker = ++m_cursor);
if (yych == 'a')
{
goto basic_json_parser_50;
}
if (yych == 'a') goto basic_json_parser_50;
goto basic_json_parser_19;
basic_json_parser_22:
yych = *++m_cursor;
if (yych <= '/')
{
goto basic_json_parser_19;
}
if (yych <= '0')
{
goto basic_json_parser_49;
}
if (yych <= '9')
{
goto basic_json_parser_40;
}
if (yych <= '/') goto basic_json_parser_19;
if (yych <= '0') goto basic_json_parser_49;
if (yych <= '9') goto basic_json_parser_40;
goto basic_json_parser_19;
basic_json_parser_23:
yyaccept = 1;
yych = *(m_marker = ++m_cursor);
if (yych <= 'D')
{
if (yych == '.')
{
goto basic_json_parser_42;
}
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_43;
}
if (yych == 'e')
{
goto basic_json_parser_43;
}
if (yych <= 'D') {
if (yych == '.') goto basic_json_parser_42;
} else {
if (yych <= 'E') goto basic_json_parser_43;
if (yych == 'e') goto basic_json_parser_43;
}
basic_json_parser_24:
{
return token_type::value_number;
}
{ return token_type::value_number; }
basic_json_parser_25:
yyaccept = 1;
yych = *(m_marker = ++m_cursor);
@ -3646,467 +3530,209 @@ basic_json_parser_25:
basic_json_parser_26:
yyaccept = 0;
yych = *(m_marker = ++m_cursor);
if (yych <= 0x00)
{
goto basic_json_parser_19;
}
if (yych <= 0x00) goto basic_json_parser_19;
goto basic_json_parser_31;
basic_json_parser_27:
++m_cursor;
{
return token_type::end_of_input;
}
{ return token_type::end_of_input; }
basic_json_parser_29:
yych = *++m_cursor;
goto basic_json_parser_19;
basic_json_parser_30:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
basic_json_parser_31:
if (yybm[0 + yych] & 64)
{
if (yybm[0+yych] & 64) {
goto basic_json_parser_30;
}
if (yych <= 0x00)
{
goto basic_json_parser_32;
}
if (yych <= '"')
{
goto basic_json_parser_34;
}
if (yych <= 0x00) goto basic_json_parser_32;
if (yych <= '"') goto basic_json_parser_34;
goto basic_json_parser_33;
basic_json_parser_32:
m_cursor = m_marker;
if (yyaccept == 0)
{
if (yyaccept == 0) {
goto basic_json_parser_19;
}
else
{
} else {
goto basic_json_parser_24;
}
basic_json_parser_33:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= 'e')
{
if (yych <= '/')
{
if (yych == '"')
{
if (yych <= 'e') {
if (yych <= '/') {
if (yych == '"') goto basic_json_parser_30;
if (yych <= '.') goto basic_json_parser_32;
goto basic_json_parser_30;
}
if (yych <= '.')
{
goto basic_json_parser_32;
}
} else {
if (yych <= '\\') {
if (yych <= '[') goto basic_json_parser_32;
goto basic_json_parser_30;
}
else
{
if (yych <= '\\')
{
if (yych <= '[')
{
goto basic_json_parser_32;
}
goto basic_json_parser_30;
}
else
{
if (yych == 'b')
{
goto basic_json_parser_30;
}
} else {
if (yych == 'b') goto basic_json_parser_30;
goto basic_json_parser_32;
}
}
}
else
{
if (yych <= 'q')
{
if (yych <= 'f')
{
goto basic_json_parser_30;
}
if (yych == 'n')
{
goto basic_json_parser_30;
}
} else {
if (yych <= 'q') {
if (yych <= 'f') goto basic_json_parser_30;
if (yych == 'n') goto basic_json_parser_30;
goto basic_json_parser_32;
}
else
{
if (yych <= 's')
{
if (yych <= 'r')
{
goto basic_json_parser_30;
}
} else {
if (yych <= 's') {
if (yych <= 'r') goto basic_json_parser_30;
goto basic_json_parser_32;
}
else
{
if (yych <= 't')
{
goto basic_json_parser_30;
}
if (yych <= 'u')
{
goto basic_json_parser_36;
}
} else {
if (yych <= 't') goto basic_json_parser_30;
if (yych <= 'u') goto basic_json_parser_36;
goto basic_json_parser_32;
}
}
}
basic_json_parser_34:
++m_cursor;
{
return token_type::value_string;
}
{ return token_type::value_string; }
basic_json_parser_36:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych >= ':')
{
goto basic_json_parser_32;
}
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_37;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych >= 'g')
{
goto basic_json_parser_32;
}
if (yych <= '@') {
if (yych <= '/') goto basic_json_parser_32;
if (yych >= ':') goto basic_json_parser_32;
} else {
if (yych <= 'F') goto basic_json_parser_37;
if (yych <= '`') goto basic_json_parser_32;
if (yych >= 'g') goto basic_json_parser_32;
}
basic_json_parser_37:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych >= ':')
{
goto basic_json_parser_32;
}
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_38;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych >= 'g')
{
goto basic_json_parser_32;
}
if (yych <= '@') {
if (yych <= '/') goto basic_json_parser_32;
if (yych >= ':') goto basic_json_parser_32;
} else {
if (yych <= 'F') goto basic_json_parser_38;
if (yych <= '`') goto basic_json_parser_32;
if (yych >= 'g') goto basic_json_parser_32;
}
basic_json_parser_38:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych >= ':')
{
goto basic_json_parser_32;
}
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_39;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych >= 'g')
{
goto basic_json_parser_32;
}
if (yych <= '@') {
if (yych <= '/') goto basic_json_parser_32;
if (yych >= ':') goto basic_json_parser_32;
} else {
if (yych <= 'F') goto basic_json_parser_39;
if (yych <= '`') goto basic_json_parser_32;
if (yych >= 'g') goto basic_json_parser_32;
}
basic_json_parser_39:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= '@')
{
if (yych <= '/')
{
if (yych <= '@') {
if (yych <= '/') goto basic_json_parser_32;
if (yych <= '9') goto basic_json_parser_30;
goto basic_json_parser_32;
}
if (yych <= '9')
{
goto basic_json_parser_30;
}
goto basic_json_parser_32;
}
else
{
if (yych <= 'F')
{
goto basic_json_parser_30;
}
if (yych <= '`')
{
goto basic_json_parser_32;
}
if (yych <= 'f')
{
goto basic_json_parser_30;
}
} else {
if (yych <= 'F') goto basic_json_parser_30;
if (yych <= '`') goto basic_json_parser_32;
if (yych <= 'f') goto basic_json_parser_30;
goto basic_json_parser_32;
}
basic_json_parser_40:
yyaccept = 1;
m_marker = ++m_cursor;
if ((m_limit - m_cursor) < 3)
{
yyfill();
};
if ((m_limit - m_cursor) < 3) { yyfill(); };
yych = *m_cursor;
basic_json_parser_41:
if (yybm[0 + yych] & 128)
{
if (yybm[0+yych] & 128) {
goto basic_json_parser_40;
}
if (yych <= 'D')
{
if (yych != '.')
{
goto basic_json_parser_24;
}
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_43;
}
if (yych == 'e')
{
goto basic_json_parser_43;
}
if (yych <= 'D') {
if (yych != '.') goto basic_json_parser_24;
} else {
if (yych <= 'E') goto basic_json_parser_43;
if (yych == 'e') goto basic_json_parser_43;
goto basic_json_parser_24;
}
basic_json_parser_42:
yych = *++m_cursor;
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych <= '9')
{
goto basic_json_parser_47;
}
if (yych <= '/') goto basic_json_parser_32;
if (yych <= '9') goto basic_json_parser_47;
goto basic_json_parser_32;
basic_json_parser_43:
yych = *++m_cursor;
if (yych <= ',')
{
if (yych != '+')
{
goto basic_json_parser_32;
}
}
else
{
if (yych <= '-')
{
goto basic_json_parser_44;
}
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych <= '9')
{
goto basic_json_parser_45;
}
if (yych <= ',') {
if (yych != '+') goto basic_json_parser_32;
} else {
if (yych <= '-') goto basic_json_parser_44;
if (yych <= '/') goto basic_json_parser_32;
if (yych <= '9') goto basic_json_parser_45;
goto basic_json_parser_32;
}
basic_json_parser_44:
yych = *++m_cursor;
if (yych <= '/')
{
goto basic_json_parser_32;
}
if (yych >= ':')
{
goto basic_json_parser_32;
}
if (yych <= '/') goto basic_json_parser_32;
if (yych >= ':') goto basic_json_parser_32;
basic_json_parser_45:
++m_cursor;
if (m_limit <= m_cursor)
{
yyfill();
};
if (m_limit <= m_cursor) { yyfill(); };
yych = *m_cursor;
if (yych <= '/')
{
goto basic_json_parser_24;
}
if (yych <= '9')
{
goto basic_json_parser_45;
}
if (yych <= '/') goto basic_json_parser_24;
if (yych <= '9') goto basic_json_parser_45;
goto basic_json_parser_24;
basic_json_parser_47:
yyaccept = 1;
m_marker = ++m_cursor;
if ((m_limit - m_cursor) < 3)
{
yyfill();
};
if ((m_limit - m_cursor) < 3) { yyfill(); };
yych = *m_cursor;
if (yych <= 'D')
{
if (yych <= '/')
{
if (yych <= 'D') {
if (yych <= '/') goto basic_json_parser_24;
if (yych <= '9') goto basic_json_parser_47;
goto basic_json_parser_24;
}
if (yych <= '9')
{
goto basic_json_parser_47;
}
goto basic_json_parser_24;
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_43;
}
if (yych == 'e')
{
goto basic_json_parser_43;
}
} else {
if (yych <= 'E') goto basic_json_parser_43;
if (yych == 'e') goto basic_json_parser_43;
goto basic_json_parser_24;
}
basic_json_parser_49:
yyaccept = 1;
yych = *(m_marker = ++m_cursor);
if (yych <= 'D')
{
if (yych == '.')
{
goto basic_json_parser_42;
}
if (yych <= 'D') {
if (yych == '.') goto basic_json_parser_42;
goto basic_json_parser_24;
}
else
{
if (yych <= 'E')
{
goto basic_json_parser_43;
}
if (yych == 'e')
{
goto basic_json_parser_43;
}
} else {
if (yych <= 'E') goto basic_json_parser_43;
if (yych == 'e') goto basic_json_parser_43;
goto basic_json_parser_24;
}
basic_json_parser_50:
yych = *++m_cursor;
if (yych != 'l')
{
goto basic_json_parser_32;
}
if (yych != 'l') goto basic_json_parser_32;
yych = *++m_cursor;
if (yych != 's')
{
goto basic_json_parser_32;
}
if (yych != 's') goto basic_json_parser_32;
yych = *++m_cursor;
if (yych != 'e')
{
goto basic_json_parser_32;
}
if (yych != 'e') goto basic_json_parser_32;
++m_cursor;
{
return token_type::literal_false;
}
{ return token_type::literal_false; }
basic_json_parser_55:
yych = *++m_cursor;
if (yych != 'u')
{
goto basic_json_parser_32;
}
if (yych != 'u') goto basic_json_parser_32;
yych = *++m_cursor;
if (yych != 'e')
{
goto basic_json_parser_32;
}
if (yych != 'e') goto basic_json_parser_32;
++m_cursor;
{
return token_type::literal_true;
}
{ return token_type::literal_true; }
basic_json_parser_59:
yych = *++m_cursor;
if (yych != 'l')
{
goto basic_json_parser_32;
}
if (yych != 'l') goto basic_json_parser_32;
yych = *++m_cursor;
if (yych != 'l')
{
goto basic_json_parser_32;
}
if (yych != 'l') goto basic_json_parser_32;
++m_cursor;
{
return token_type::literal_null;
}
{ return token_type::literal_null; }
}

View File

@ -54,6 +54,20 @@ iterators allow a ReversibleContainer to be iterated over in reverse.
namespace nlohmann
{
// Helper to determine whether there's a key_type for T.
// http://stackoverflow.com/a/7728728/266378
template<typename T>
struct has_key_type
{
private:
template<typename C> static char test(typename C::key_type*);
template<typename C> static int test(...);
public:
enum { value = sizeof(test<T>(0)) == sizeof(char) };
};
/*!
@brief JSON
@ -809,7 +823,7 @@ class basic_json
template <class T, typename
std::enable_if<
std::is_constructible<typename T::key_type, typename object_t::key_type>::value and
std::is_constructible<basic_json, typename T::mapped_type>::value, int>::type
std::is_constructible<typename T::mapped_type, basic_json>::value, int>::type
= 0>
inline T get() const
{
@ -826,7 +840,8 @@ class basic_json
template <class T, typename
std::enable_if<
not std::is_same<T, string_t>::value and
std::is_constructible<basic_json, typename T::value_type>::value, int>::type
not has_key_type<T>::value and
std::is_constructible<typename T::value_type, basic_json>::value, int>::type
= 0>
inline T get() const
{